# A227492 (b-file synthesized from sequence entry)
0 27
1 2871
2 39663
3 326367
4 2123199
5 12126591
6 63900927
7 319163391
8 1535375871
9 7186396671
10 32947236351
11 148643831295
12 662099705343
13 2918722534911
14 12756670414335
15 55354839662079
16 238734196604415
17 1024200814362111
18 4373869249953279